公开(公告)号：US20200332846A1

公开(公告)日：2020-10-22

申请号：US16916211

申请日：2020-06-30

Applicant: Alps Alpine Co., Ltd.

Inventor： Asuka KOIKE ,  Yoshihiro KUGE ,  Kazunari TAKAHASHI ,  Misuzu TAKAHASHI

IPC: F16D63/00 ,  G05G1/10 ,  G05G5/03 ,  H02K7/102 ,  F16D57/00

Abstract: An input device includes a brake applying unit configured to apply a braking force to a rotating body and a torque applying unit configured to apply a driving torque to the rotating body. The brake applying unit includes a rotary plate rotatable together with the rotating body, magnetic viscous fluid disposed in a gap between a fixed portion and the rotary plate, and a brake applying coil configured to apply a magnetic field to the magnetic viscous fluid. The torque applying unit includes a stator and a rotor. One of the stator and the rotor includes a magnet and the other includes torque applying coils inducing magnetic fields for generating the driving torque. A controller is provided to control currents applied to the brake applying coil and the torque applying coils. The torque applying unit is disposed to surround an outer periphery of the brake applying unit.

公开(公告)号：US20210207680A1

公开(公告)日：2021-07-08

申请号：US17210645

申请日：2021-03-24

Applicant: Alps Alpine Co., Ltd.

Inventor： Yoshihiro KUGE ,  Kazunari TAKAHASHI ,  Misuzu TAKAHASHI

IPC: F16F9/53 ,  F16D37/02 ,  F16D63/00

Abstract: A torque generating device includes a rotor, a sealing member, a field generator, a controller, and a functional material. The rotor is rotatable. The sealing member is configured to seal a perimeter of the rotor and form a sealing space. The field generator is disposed outside the sealing member such that the field generator is separable. The field generator is configured to generate an electric or magnetic field passing through the sealing space. The controller is configured to control the field generator to control a magnitude of the electric or magnetic field. The functional material is filled in the sealing space such that the functional material is able to flow to vary torque for the rotation of the rotor in accordance with the magnitude. The sealing member has a support portion configured to support the rotor and is separable from the field generator.

公开(公告)号：US20210396280A1

公开(公告)日：2021-12-23

申请号：US17466197

申请日：2021-09-03

Applicant: Alps Alpine Co., Ltd.

Inventor： Yoshihiro KUGE ,  Kazunari TAKAHASHI ,  Misuzu TAKAHASHI

IPC: F16D37/02 ,  F16F9/53 ,  F16F9/12

Abstract: A torque generation device includes a rotor connected to a shaft and rotatable about a rotary axis of the shaft; an external member disposed outside the rotor and rotatable about the rotary axis relative to the rotor; a magnetically responsive material in a gap between the rotor and external member; a magnetic field generating unit generating a magnetic field passing the magnetically responsive material; and an adjusting unit between the shaft and external member along an outer circumference of the shaft, wherein the adjusting unit has a containing space where an adjusting sealing member is provided, the magnetically responsive material is sealed in the gap, containing space, and path connecting these and in an adjustment space from a position where the adjusting sealing member is provided to the path, and a capacity of the adjustment space is changeable according to a change in volume of the magnetically responsive material.